package com.byk.ggkt.result;

import lombok.Data;

//统一返回结果类
@Data
public class Result<T> {

    private Integer code;//状态码

    private String message;//返回状态信息(成功 失败)

    private T data;//返回数据

    public Result(){}

    //成功的方法,没有data数据
    //public static<T> Result<T> ok(){
    //    Result<T> result = new Result<>();
    //    result.setCode(200);
    //    result.setMessage("成功");
    //    return result;
    //}

    //失败的方法,没有data数据
    //public static<T> Result<T> fail(){
    //    Result<T> result = new Result<>();
    //    result.setCode(201);
    //    result.setMessage("失败");
    //    return result;
    //}

    //成功的方法,有data数据
    public static<T> Result<T> ok(T data){
        Result<T> result = new Result<>();
        if(data != null) {
            result.setData(data);
        }
        result.setCode(20000);
        result.setMessage("成功");
        return result;
    }

    //失败的方法,有data数据
    public static<T> Result<T> fail(T data){
        Result<T> result = new Result<>();
        if(data != null) {
            result.setData(data);
        }
        result.setCode(20001);
        result.setMessage("失败");
        return result;
    }

    public Result<T> message(String msg){
        this.setMessage(msg);
        return this;
    }

    public Result<T> code(Integer code){
        this.setCode(code);
        return this;
    }
}
